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тАО10-18-2005 02:28 PM
тАО10-18-2005 02:28 PM
hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
two hp9000(hp-ux 11.11) is connected to hp eva3000 with two hsv100 through two hba and two san switch,so can hp9000 switch different path by itself correspondent to a virtual array unit??
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тАО10-18-2005 03:08 PM
тАО10-18-2005 03:08 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
In Windows, Secure Path or MPIO automatically detect path failures and switch to the next available path.
In Linux, Secure Path or Qlogic Failover handle switching.
In HP-UX, Secure Path or some built-in OS multipath capabilities handle path switching. (or so I believe).
Steven
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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тАО10-18-2005 06:21 PM
тАО10-18-2005 06:21 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
you do need Secure Path for the EVA3000 - PVlinks does not work. Watch out to install the correct Secure Path component - the 'autopath' one does not work with the 3000.
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тАО10-18-2005 08:28 PM
тАО10-18-2005 08:28 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
hi,now I can see a device name correspond to
a virual array unit,if it is not correct or
can't auto switch ?
thank you very much!
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тАО10-18-2005 11:47 PM
тАО10-18-2005 11:47 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
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тАО10-19-2005 01:30 PM
тАО10-19-2005 01:30 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
disk 3 255/255/0/0.0 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c13t0d0 /dev/rdsk/c13t0d0
disk 4 255/255/0/0.1 sdisk CLAIMED DEVICE HSV100 HP
/dev/dsk/c13t0d1 /dev/rdsk/c13t0d1
but I use mulit-link,how it is correct?
other ,how i can see the link correspondent
to the 'c13t0d0' and 'c13t0d1'?
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тАО10-19-2005 06:03 PM
тАО10-19-2005 06:03 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
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тАО10-19-2005 06:44 PM
тАО10-19-2005 06:44 PM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
I can see the same result on the two hp server:
Storage: 5000-1FE1-5003-1C00
Load Balance: Off Auto-restore: Off
Path Verify: On Verify Interval: 30
HBAs: td0 td1
Controller: P66C5E1AAPZ09U, Operational
P66C5E1AAPZ05B, Operational
Devices: c13t0d0 c13t0d1 c13t0d2 c13t0d3
TGT/LUN Device WWLUN_ID H/W_Path #_Paths
0/ 0 c13t0d0 6005-08B4-0001-3BFE-0000-A000-0045-0000 4
255/255/0/0.0
Controller Path_Instance HBA Preferred? Path_Status
P66C5E1AAPZ09U no
c5t0d1 td0 no Standby
c9t0d1 td1 no Standby
Controller Path_Instance HBA Preferred? Path_Status
P66C5E1AAPZ05B no
c7t0d1 td0 no Active
c11t0d1 td1 no Available
It seems the paths can't atuo-restore,but three status are active├г standby├г Available in the 'path_status' blank, is it correct?
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тАО10-20-2005 04:48 AM
тАО10-20-2005 04:48 AM
Re: hp9000 connect to hp eva3000 with two hsv100 through two hba and two san switch?
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=947298
for more detail.
BTW, HP-UX supports multiple paths to storage natively to the OS. Most other OSes are working towards this (MPIO, etc), but HP-UX has been doing this for over a decade (since v9.04, I believe). There is a lot a confusion about this issue, since there are a lot of folks working with other OS's that REQUIRE a multipathing software solution, they assume everyone needs it. Yes, HP-UX requires Secure Path for EVA GLs (3K, 5K series), but this is due to the active-passive controllers on the array, not the OS. The new XL series (4K,6K,8K) are active active controllers and do not require Secure Path. What Secure Path WILL buy you is load balancing. Sorry for coming off as a HP-UX snob, but I want to clarify some items here.)
Sincerely,
Curt